@misc{_1970,
 volume={42},
 number={12},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa,},
 journal={Polski Przegląd Chirurgiczny},
 howpublished={online},
 year={1970},
 publisher={PZWL},
 language={pol},
 type={Text},
 URL={http://rcin.org.pl/Content/81298/PDF/Badanie.pdf},
}